var currenttemp = parseInt(getIt('currenttemp'));
var currentAction = 0;
function evokeBG(temp) {
	if(currenttemp >= 0 && currenttemp < 5) {
		if((currenttemp == 4 && temp == 1)||(currenttemp == 0 && temp == -1)) {
		} else {
			currenttemp += temp;
			changeBG(currenttemp);
			setIt('currenttemp',currenttemp);
		}
	}
}
function changeBG(currenttemp) {
	switch(currenttemp) {
		case 0:
			document.body.style.background  = "#fe2653 url(images/hotRed_BG_slice.gif) repeat-x top center";
			document.getElementById('eq').style.backgroundPosition = "center 0";
			break;
		case 1:
			document.body.style.background  = "#fe1eaf url(images/hotPink_BG_slice.gif) repeat-x top center";
			document.getElementById('eq').style.backgroundPosition = "center -62px";
			break;
		case 2:
			document.body.style.background  = "#909194 url(images/neutral_BG_slice.gif) repeat-x top center";
			document.getElementById('eq').style.backgroundPosition = "center -124px";
			break;
		case 3:
			document.body.style.background  = "#bcfe16 url(images/coolGreen_BG_slice.gif) repeat-x top center";
			document.getElementById('eq').style.backgroundPosition = "center -186px";
			break;
		case 4:
			document.body.style.background  = "#429bdb url(images/coolBlue_BG_slice.gif) repeat-x top center";
			document.getElementById('eq').style.backgroundPosition = "center -248px";
			break;
	}
}
function swapAction() {
	if(currentAction == 0) {
		document.getElementById('evokeSearch').style.display = "none";
		document.getElementById('evokeMood').style.display = "block";
		document.getElementById('evoke-action-button').style.backgroundImage = "url(images/btn_saveMood.png)";
		currentAction = 1;
	} else {
		document.getElementById('evokeSearch').style.display = "block";
		document.getElementById('evokeMood').style.display = "none";
		document.getElementById('evoke-action-button').style.backgroundImage = "url(images/btn_changeMood.png)";
		currentAction = 0;
	}
}
function validateSearch(form) {
	if((form.q.value == "google")||(form.q.value == "")) {
		form.q.focus();
		return false;
	}
	return true;
}
/****** COOKIES ******/
function setIt(name,value) {
	var date = new Date();
	date.setFullYear(date.getFullYear() + 5, 0, 0); //cookie expires 5 years from now
	var expires = "; expires="+date.toGMTString();
	document.cookie = name+"="+value+expires+"; path=/";
}

function getIt(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) {
			return c.substring(nameEQ.length,c.length);
		}
	}
	setIt(name,'2');
	return 2;
}
/****** SEARCH TEXT ******/
function clearText(thefield) {
  if (thefield.defaultValue==thefield.value) { thefield.value = "" }
} 
function replaceText(thefield) {
  if (thefield.value=="") { thefield.value = thefield.defaultValue }
}